1222124455 has 4 divisors (see below), whose sum is σ = 1466549352. Its totient is φ = 977699560.

The previous prime is 1222124417. The next prime is 1222124473. The reversal of 1222124455 is 5544212221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5544212221 = 4993 ⋅1110397.

It is not a de Polignac number, because 1222124455 - 2¹³ = 1222116263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122212441 + ... + 122212450.

It is an arithmetic number, because the mean of its divisors is an integer number (366637338).

Almost surely, 2^1222124455 is an apocalyptic number.

1222124455 is a deficient number, since it is larger than the sum of its proper divisors (244424897).

1222124455 is an equidigital number, since it uses as much as digits as its factorization.

1222124455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244424896.

The product of its digits is 6400, while the sum is 28.

The square root of 1222124455 is about 34958.8966502091. The cubic root of 1222124455 is about 1069.1496009001.

Adding to 1222124455 its reverse (5544212221), we get a palindrome (6766336676).

The spelling of 1222124455 in words is "one billion, two hundred twenty-two million, one hundred twenty-four thousand, four hundred fifty-five".